Calculating light & lighting

E.M. Nederhoff, L.F.M. Marcelis

    Research output: Contribution to journalArticleProfessional


    Lighting in a greenhouse is surrounded by questions. How much light to supply and when?. What intensity and light sum to aim for? Is it radiation, light growlight, PAR, photons or quanta? How much is joule, watt, lux?. What does wavelength, nanometer, spectrum, UV, IR and NIR mean?
    Original languageEnglish
    Pages (from-to)43-51
    JournalPractical Hydroponics & Greenhouses
    Issue number112
    Publication statusPublished - 2010


    • horticulture
    • protected cultivation
    • greenhouses
    • lighting
    • light intensity
    • ultraviolet radiation
    • light
    • greenhouse horticulture
    • photons
    • uv lamps

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